Answer
$60w^4y^2$
Work Step by Step
Use the formula, we have $(w-2y)^6=\binom 6 0(w)^6 + \binom 6 1(w)^5(-2y) + \binom 6 2(w)^4(-2y)^2 +...$, thus the third term is $\binom 6 2(w)^4(-2y)^2=60w^4y^2$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 11 - Further Topics in Algebra - Test - Page 1085: 14
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